chore(package): update webdriverio to version 5.11.10

Closes #154

Author: greenkeeper[bot]

package.json

@@ -39,7 +39,7 @@
     "react-hot-loader": "^3.0.0-beta.6",
     "url-loader": "^0.5.6",
     "webdriver-manager": "^11.1.0",
-    "webdriverio": "^4.5.2",
+    "webdriverio": "^5.11.10",
     "webpack": "^1.9.10",
     "webpack-dev-server": "^1.9.0"
   },